resizable widgets, default widget implementation for some functions, reimplementing meminfo in raleigh

6 files changed, 33 insertions, 25 deletions

diff --git a/src/user/include/cxx/raleigh/w/button.h b/src/user/include/cxx/raleigh/w/button.h
index 03e17ab..71ccae2 100644
--- a/src/user/include/cxx/raleigh/w/button.h
+++ b/src/user/include/cxx/raleigh/w/button.h
@@ -12,10 +12,8 @@ namespace raleigh {
     void notify_window_change() override;
     void paint(_pixel_t *pixbuf, uint32_t pitch) override;
     void handle_click(coord window_coords, enum mouse_packet::mouse_button click_type, bool up) override;
+    void notify_child_size_change(widget &child, coord old_size) override;
     void notify_has_opaque_parent(widget *parent) override;
-    void handle_key(struct key_packet kp) override;
-    void on_focus() override;
-    void on_unfocus() override;
   private:
     widget &inner;
     void (*on_click)(button &);
diff --git a/src/user/include/cxx/raleigh/w/label.h b/src/user/include/cxx/raleigh/w/label.h
index 4b1dae2..a78ce46 100644
--- a/src/user/include/cxx/raleigh/w/label.h
+++ b/src/user/include/cxx/raleigh/w/label.h
@@ -7,19 +7,17 @@
 namespace raleigh {
   class label : public widget {
   public:
-    //this pointer is used directly, and the contents of the string should not be changed afterward
+    //value's data is copied
     label(const char *value, const char *font="fixed-10", bool bg_transparent=true,
       _pixel_t fg=RGB(00, 00, 00), _pixel_t bg=RGB(bf, bf, bf));
 
-    void notify_window_change() override;
+    void change_value(const char *new_value);
+
     void paint(_pixel_t *pixbuf, uint32_t pitch) override;
-    void handle_click(coord window_coords, enum mouse_packet::mouse_button click_type, bool up) override;
     void notify_has_opaque_parent(widget *parent) override;
-    void handle_key(struct key_packet kp) override;
-    void on_focus() override;
-    void on_unfocus() override;
   private:
-    const char *const value;
+    char *value;
+    uint32_t v_size;
     const struct font_info *const fi;
     bool bg_transparent;
     const _pixel_t fg;
diff --git a/src/user/include/cxx/raleigh/w/padding.h b/src/user/include/cxx/raleigh/w/padding.h
index 792e204..1bdb9ee 100644
--- a/src/user/include/cxx/raleigh/w/padding.h
+++ b/src/user/include/cxx/raleigh/w/padding.h
@@ -12,9 +12,7 @@ namespace raleigh {
     void paint(_pixel_t *pixbuf, uint32_t pitch) override;
     void handle_click(coord window_coords, enum mouse_packet::mouse_button click_type, bool up) override;
     void notify_has_opaque_parent(widget *parent) override;
-    void handle_key(struct key_packet kp) override;
-    void on_focus() override;
-    void on_unfocus() override;
+    void notify_child_size_change(widget &child, coord old_size) override;
   private:
     widget &inner;
     uint32_t pad_by;
diff --git a/src/user/include/cxx/raleigh/w/vbox.h b/src/user/include/cxx/raleigh/w/vbox.h
index 02bffd3..f715f95 100644
--- a/src/user/include/cxx/raleigh/w/vbox.h
+++ b/src/user/include/cxx/raleigh/w/vbox.h
@@ -14,9 +14,7 @@ namespace raleigh {
     void paint(_pixel_t *pixbuf, uint32_t pitch) override;
     void handle_click(coord window_coords, enum mouse_packet::mouse_button click_type, bool up) override;
     void notify_has_opaque_parent(widget *parent) override;
-    void handle_key(struct key_packet kp) override;
-    void on_focus() override;
-    void on_unfocus() override;
+    void notify_child_size_change(widget &from, coord old_size) override;
   private:
     dllist<widget &> widgets;
   };
diff --git a/src/user/include/cxx/raleigh/widget.h b/src/user/include/cxx/raleigh/widget.h
index 54b9287..1b2cf6f 100644
--- a/src/user/include/cxx/raleigh/widget.h
+++ b/src/user/include/cxx/raleigh/widget.h
@@ -12,12 +12,15 @@ namespace raleigh {
 namespace raleigh {
   class widget {
   public:
-    coord size;
-
-    //set by window class (or parent widget)
+    //these three are set by window class (or parent widget)
+    widget *parent;//set to zero when root widget
     window *w;
     coord window_offset;
 
+    //derived classes should not set this outside of the initializer
+    //instead, they should call widget::set_size(coord)
+    coord size;
+
     //fewest steps up that a widget can be redrawn without needing its parents
     //if a widget is opaque, it will set this to a pointer to itself, and then call
     //  notify_has_opaque_parent on any children, passing itself as an argument.
@@ -25,14 +28,21 @@ namespace raleigh {
     //  and then call notify_has_opaque_parent on any children (with the opaque parent).
     widget *closest_opaque;
 
-    //called by window class (or parent widget)
-    virtual void notify_window_change() = 0;
+    //these are called by window class (or parent widgets)
+    virtual void notify_window_change();
     virtual void paint(_pixel_t *pixbuf, uint32_t pitch) = 0;
-    virtual void handle_click(coord window_coords, enum mouse_packet::mouse_button click_type, bool up) = 0;
+    virtual void handle_click(coord window_coords, enum mouse_packet::mouse_button click_type, bool up);
     virtual void notify_has_opaque_parent(widget *parent) = 0;
-    virtual void handle_key(struct key_packet kp) = 0;
-    virtual void on_focus() = 0;
-    virtual void on_unfocus() = 0;
+    virtual void handle_key(struct key_packet kp);
+    virtual void on_focus();
+    virtual void on_unfocus();
+    //this next one is not to be called by child widgets
+    //they should call window::notify_widget_size_change(widget &), which will call this if necessary
+    virtual void notify_child_size_change(widget &child, coord old_size);
+
+  protected:
+    widget();
+    void set_size(coord to);
   };
 }
 
diff --git a/src/user/include/cxx/raleigh/window.h b/src/user/include/cxx/raleigh/window.h
index 21ae511..0dd9341 100644
--- a/src/user/include/cxx/raleigh/window.h
+++ b/src/user/include/cxx/raleigh/window.h
@@ -7,6 +7,8 @@ namespace raleigh {
 
 #include <raleigh/runtime.h>
 #include <raleigh/widget.h>
+#include <structs/dllist.h>
+#include <structs/duple.h>
 #include <pland/syscall.h>
 #include <raleigh/util.h>
 
@@ -16,7 +18,10 @@ namespace raleigh {
   public:
     //pass on_close to specify a close handler. if on_close returns false, the window will not be closed.
     window(widget &root, _pixel_t bg_color=RGB(bf, bf, bf), bool (*on_close)(window &)=0);
+    void add_keybind(struct key_packet kp, void (*handler)(window &));
+
     void notify_needs_paint(widget &from);
+    void notify_widget_size_change(widget &from, coord old_size);
     enum try_actions_return_t {NONE, GOOD, DELETE};
     try_actions_return_t try_actions();
     void show();
@@ -31,6 +36,7 @@ namespace raleigh {
     bool needs_repaint;
     void paint_full();
     bool (*on_close)(window &);
+    dllist<duple<struct key_packet, void (*)(window &)>> keybinds;
   };
 }